Granted Patent
Utility
US 4,289,739 · App. 06/106,634
Method of producing crystalline sodium aluminum phosphate
Inventors:
John S. C. Chiang, Theodore F. Munday, Joseph M. Ilardi
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Dec 26, 1979
Inventors
John S. C. Chiang
Theodore F. Munday
Joseph M. Ilardi
Assignee (at issue)
FMC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.